Integrated telemetering ultrasonic water level gauge equipment

Abstract

The utility model discloses integrated telemetering ultrasonic water level gauge equipment which comprises a central processing module, a 4G interface circuit, an RS485 interface circuit, a Bluetooth control circuit, a camera control circuit, an ultrasonic transceiving circuit, a solar charging and discharging circuit and a module power supply management circuit, the central processing module and the module power supply management circuit are respectively connected with the 4G interface circuit, the RS485 interface circuit, the Bluetooth control circuit, the camera control circuit, the ultrasonic transceiving circuit and the solar charging and discharging circuit; the 4G interface circuit is connected with an upper computer through the wireless 4G communication module, the RS485 interface circuit is in communication connection with external debugging equipment, the Bluetooth control circuit is connected with the Bluetooth module, the camera control circuit is connected with the camera module, and the ultrasonic transmitting and receiving circuit is connected with the ultrasonic probe. The solar charging and discharging circuit is used for providing a corresponding driving power supply for equipment, and the module power supply management circuit is used for providing a power supply for each circuit module.

Description

Technical Field

[0001] The utility model relates to the technical field of channel flow measurement in small irrigation areas, and particularly, to an integrated telemetry ultrasonic water level gauge device for measuring water level data at measuring points of irrigation area channels. Background Art

[0002] At present, the existing channel measurement devices are split integrated devices. The channel flow data is measured by a data collector, the on-site environment is monitored by a camera, and the upper computer exchanges information with the flow measurement device through the network, so as to achieve the purpose of accurately measuring the channel flow. However, for the channels in small irrigation areas, the integrated channel measurement devices have many mechanical and electrical accessories, and there are problems of great installation difficulty and high energy consumption in small irrigation areas with scattered and numerous measuring points. Summary of the Invention

[0003] The purpose of the utility model is to solve the problems of great installation difficulty and high energy consumption of the existing integrated channel measurement devices in the environment of scattered small irrigation area channels, and to provide an integrated telemetry ultrasonic water level gauge device, improve the modularization degree of the product, exchange data with the upper computer through the network, and be able to accurately measure the water level data of each measuring point of the small irrigation area channel and calculate the relevant flow data.

[0004] In order to achieve the above purpose, the technical solutions adopted by the utility model are as follows:

[0005] The integrated telemetry ultrasonic water level gauge device includes a central processing module, a 4G interface circuit, an RS485 interface circuit, a Bluetooth control circuit, a camera control circuit, an ultrasonic transceiver circuit, a solar charge and discharge circuit, and a module power management circuit. The central processing module and the module power management circuit are respectively connected to the 4G interface circuit, the RS485 interface circuit, the Bluetooth control circuit, the camera control circuit, the ultrasonic transceiver circuit, and the solar charge and discharge circuit;

[0006] The 4G interface circuit is connected to the upper computer through a wireless 4G communication module, the RS485 interface circuit is communicatively connected to an external debugging device, the Bluetooth control circuit is connected to a Bluetooth module, the camera control circuit is connected to a camera module, and the ultrasonic transceiver circuit is connected to an ultrasonic probe;

[0007] The Bluetooth control circuit is used to drive the Bluetooth module to work, the camera control circuit is used to drive the camera module to work, the ultrasonic transceiver circuit is used to drive the ultrasonic probe to emit and receive ultrasonic signals, the solar charge and discharge circuit is used to provide the corresponding driving power supply for the device, and the module power management circuit is used to provide the power supply for each circuit module.

[0008] Further, the central processing module adopts a microprocessing unit with the model number of STM32L476RCT6.

[0009] Furthermore, the 4G interface circuit transmits the TTL signal, the status monitoring signal and the power control signal of the UART bus of the central processing module to the wireless 4G communication module.

[0010] Furthermore, the RS485 interface circuit includes a TVS tube and a signal conversion chip. The RS485 signal first passes through the TVS tube and then is converted into a TTL signal by the signal conversion chip to reach the central processing module. The TVS tube model is SMAJ5.0CA, and the signal conversion chip model is SP3485.

[0011] The TXD of the serial port UART is connected to the base of the NPN transistor and is pulled up to DC 3.3V through a pull-up resistor. The collector of the NPN transistor is connected to the transmit / receive enable pin in the signal conversion chip and is pulled up to DC 3.3V through a pull-up resistor. The emitter of the NPN transistor is connected to the data input pin in the signal conversion chip and is connected to the ground wire.

[0012] Furthermore, the Bluetooth control circuit transmits the TTL signal, the status monitoring signal and the power control signal of the UART bus of the central processing module to the Bluetooth module.

[0013] Furthermore, the camera control circuit transmits the TTL signal of the UART bus of the central processing module to the camera module.

[0014] Furthermore, the ultrasonic transceiver circuit adopts an ultrasonic transceiver integrated chip of model RCWL9623. The transmission and reception of ultrasonic signals are driven by the ultrasonic transceiver integrated chip of model RCWL9623 to drive the ultrasonic transducer, and are connected to the central processing module through the UART bus.

[0015] Furthermore, the solar charging and discharging circuit adopts a battery management chip of model TP4056 and a battery protection chip of model DW01. The discharge control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for discharging, and the charging control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for charging. The sources of the two N-channel MOSFET tubes are both connected to the negative electrode of the battery, and the drains of the two N-channel MOSFET tubes are connected.

[0016] Furthermore, the module power management circuit includes a voltage stabilizing circuit, a power electronic switch and a boost circuit. The voltage stabilizing circuit uses a linear voltage regulator of model XC6209, the power electronic switch model SY6280, and the boost circuit uses a DC boost voltage stabilizing chip of model SX1308.

[0017] Furthermore, the central processing module, the Bluetooth control circuit and the RS485 interface circuit are respectively connected to the voltage stabilizing circuit, and the power electronic switch, the 4G interface circuit, the camera control circuit and the ultrasonic transceiver circuit are respectively connected to the boost circuit. The voltage stabilizing circuit is used to stabilize the battery voltage to 3.3V, and the boost circuit is used to boost and stabilize the battery voltage to 5V.

[0018] Compared with the prior art, the utility model can accurately measure the water level at the channel measuring point in a dispersed small irrigation area channel environment and calculate the relevant flow data. It also adopts a modular design, is easy to install, has low power consumption, and can meet the requirements of most occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a partial structural block diagram of the integrated remote sensing ultrasonic water level meter device of the utility model.

[0020] Figure 2 Schematic diagram of the solar charging and discharging circuit and the module power management circuit in the embodiment.

[0021] Figure 3 Schematic diagram of a solar charging and discharging circuit in an embodiment.

[0022] Figure 4 FIG. 4 is a schematic diagram of a module power management circuit in an embodiment.

[0023] Figure 5 Schematic diagram of an ultrasonic transceiver circuit in an embodiment.

[0024] Figure 6 Schematic diagram of the RS485 interface circuit in the embodiment.

[0025] Figure 7 Schematic diagram of a Bluetooth control circuit in an embodiment.

[0026] Figure 8 Schematic diagram of a camera control circuit in an embodiment.

[0027] Fig. 9 Schematic diagram of a 4G interface circuit in an embodiment. DETAILED DESCRIPTION

[0028] The integrated remote sensing ultrasonic water level meter device of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] See also Figure 1The utility model discloses an integrated remote sensing ultrasonic water level meter device including a central processing module, a 4G interface circuit, an RS485 interface circuit, a Bluetooth control circuit, a camera control circuit, an ultrasonic transceiver circuit, a solar charging and discharging circuit and a module power management circuit. The central processing module and the module power management circuit are respectively connected to the 4G interface circuit, the RS485 interface circuit, the Bluetooth control circuit, the camera control circuit, the ultrasonic transceiver circuit and the solar charging and discharging circuit.

[0030] The 4G interface circuit is connected to the host computer through the wireless 4G communication module, the RS485 interface circuit is connected to the external debugging device, the Bluetooth control circuit is connected to the Bluetooth module, the camera control circuit is connected to the camera module, and the ultrasonic transceiver circuit is connected to the ultrasonic probe.

[0031] The central processing module is used to manage and control the entire device, the Bluetooth control circuit is used to drive the Bluetooth module to work, the camera control circuit is used to drive the camera module to work, the ultrasonic transceiver circuit is used to drive the ultrasonic probe to transmit and receive ultrasonic signals, the solar charging and discharging circuit is used to provide the corresponding driving power for the device, and the module power management circuit is used to provide power supply for each circuit module.

[0032] Specifically, the central processing module adopts a microprocessor unit of model STM32L476RCT6. The 4G interface circuit transmits the TTL signal, status monitoring signal and power control signal of the UART bus of the central processing module to the wireless 4G communication module.

[0033] Specifically, the RS485 interface circuit includes a TVS tube and a signal conversion chip. The RS485 signal first passes through the TVS tube, and then is converted into a TTL signal through the signal conversion chip to reach the central processing module. The TVS tube model is SMAJ5.0CA, and the signal conversion chip model is SP3485.

[0034] The TXD of the serial port UART is connected to the base of the NPN transistor and is pulled up to DC 3.3V through a pull-up resistor. The collector of the NPN transistor is connected to the transmit / receive enable pin in the signal conversion chip and is pulled up to DC 3.3V through a pull-up resistor. The emitter of the NPN transistor is connected to the data input pin in the signal conversion chip and is connected to the ground wire.

[0035] Specifically, the Bluetooth control circuit transmits the TTL signal, status monitoring signal and power control signal of the UART bus of the central processing module to the Bluetooth module. The camera control circuit transmits the TTL signal of the UART bus of the central processing module to the camera module. The ultrasonic transceiver circuit adopts an ultrasonic transceiver integrated chip model RCWL9623. The transmission and reception of ultrasonic signals drive the ultrasonic transducer through the ultrasonic transceiver integrated chip model RCWL9623, and connects to the central processing module through the UART bus.

[0036] Specifically, Figure 2 As shown, the solar charge and discharge circuit and the module power management circuit form the power circuit of the integrated remote sensing ultrasonic water level meter device. The solar charge and discharge circuit is used to manage the power collected by the solar panel and store it in the battery, adjusting the charging and discharging process according to the battery status.

[0037] The solar charging and discharging circuit uses a battery management chip model TP4056 and a battery protection chip model DW01. The discharge control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for discharging, and the charging control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for charging. The sources of the two N-channel MOSFET tubes are connected to the negative electrode of the battery, and the drains of the two N-channel MOSFET tubes are connected.

[0038] The module power management circuit includes a voltage stabilizing circuit, a power electronic switch and a boost circuit. The voltage stabilizing circuit uses a linear voltage regulator of model XC6209, a power electronic switch of model SY6280, and a DC boost voltage stabilizing chip of model SX1308. The central processing module, Bluetooth control circuit and RS485 interface circuit are respectively connected to the voltage stabilizing circuit, which is used to stabilize the battery voltage to 3.3V to provide working power for the central processing module, Bluetooth control circuit and RS485 interface circuit.

[0039] The power electronic switch, 4G interface circuit, camera control circuit and ultrasonic transceiver circuit are connected to the boost circuit respectively. There are 3 power electronic switches, which are used to control the battery voltage output respectively, so as to adjust the working power supply of the subsequent boost circuit, 4G interface circuit, camera control circuit and ultrasonic transceiver circuit, and reduce power consumption through power management strategy. There are 3 boost circuits, which are used to boost and stabilize the battery voltage to 5V, so as to provide the required power to the subsequent 4G interface circuit, camera control circuit and ultrasonic transceiver circuit respectively.

[0040] like Figure 3As shown in the figure, in the solar charging and discharging circuit, the electrical energy signal of the 5V solar panel is input to the 4-pin VCC of the battery management chip U8 of model TP4056 through the heat dissipation resistor R21, and after internal adjustment by the chip, it is output from the 5-pin BAT of the battery management chip U8 to charge the battery. The current adjustment resistor R18 is configured as 1.2 kΩ, with one end connected to the 2-pin PROG of the battery management chip U8 and the other end connected to the ground terminal GND, that is, the constant current charging current of the battery is programmed to 1 A. The battery protection chip U17 of model DW01 prevents the battery from overcharging and under-voltage. The positive electrode of the battery is connected to the 5-pin VCC of the battery protection chip U17 through the current limiting resistor R17, and the negative electrode of the battery is connected to the 6-pin VSS of the battery protection chip U17.

[0041] The 3-pin CO of the battery protection chip U17 is the charging control pin and is connected to the 4-pin G1 of the dual N-channel MOSFET Q1 of model 8205A, that is, the gate of the 1st N-channel MOSFET. The 1-pin DO of the battery protection chip U17 is the discharging control pin and is connected to the 5-pin G2 of the dual N-channel MOSFET Q1 of model 8205A, that is, the gate of the 2nd N-channel MOSFET. The 1-pin D1 and the 8-pin D2 of the dual N-channel MOSFET Q1 are connected, that is, the drains of the two MOSFETs are connected. The 2-pin S1 and the 3-pin S1, that is, the source of the 1st N-channel MOSFET Q1, are connected to the ground terminal and connected to the ground, and the 7-pin S2 and the 8-pin S2, that is, the source of the 1st N-channel MOSFET Q1, are connected to the negative electrode of the battery.

[0042] As Figure 4 shown in the figure, in the module power management circuit, the 4-pin EN of the power electronic switch U13 of model SY6280 is controlled by the output of the central processing module. The battery power supply signal is input from the 5-pin IN of the power electronic switch U13, and after internal adjustment by the chip, it is output from the 1-pin OUT of the power electronic switch U13 to the 5-pin VIN of the DC boost voltage regulator chip U14 of model SX1308. After filtering through the inductor L3 and the capacitor C38, the battery voltage can be boosted and regulated to output DC 5V to the power-consuming module. The zener diode D6 is used to stabilize the voltage and protect the circuit. The linear regulator U12 of model XC6209 regulates the battery voltage to 3.3V. The battery power supply signal is input from the 1-pin VIN of the linear regulator U12, and after conversion, it outputs 3.3V voltage from the 5-pin VOUT to the power-consuming module.

[0043] As Figure 5As shown, in the ultrasonic transceiver circuit, the ultrasonic power supply signal is filtered by capacitor C25 and input to the 1-pin VCC and 5-pin VCC_D of the ultrasonic transceiver integrated chip U6 of model RCWL9623. The 7-pin 40K+ of the ultrasonic transceiver integrated chip U6 is connected to one end of the ultrasonic transducer, and the 9-pin 40K- of the ultrasonic transceiver integrated chip U6 is connected to the other end of the ultrasonic transducer. The 6-pin Echo_TX_SDA and 8-pin Trig_RX_SCL_I / O of the ultrasonic transceiver integrated chip U6 are UART bus communication lines, which are connected to the central processing module for data interaction.

[0044] like Figure 6 As shown, in the RS485 interface circuit, the 1-pin RO of the signal conversion chip U15 of model SP3485 is connected to the serial port MCU_RX_RS485 pin of the central processing module, and is pulled up to DC 3.3V through a pull-up resistor. The 2-pin RE and 3-pin DE of the signal conversion chip U15 are simultaneously connected to the 3-pin of the transistor Q2, and are pulled up to DC 3.3V through a pull-up resistor. The 1-pin of the transistor Q2 is connected to the serial port MCU_TX_RS485 pin of the central processing module, and is pulled up to DC 3.3V through a pull-up resistor. The 2-pin of the transistor Q2 is connected to the 4-pin DI of the signal conversion chip U15, and is pulled down to the ground wire at the same time. The TTL signal of the central processing module is converted by the signal conversion chip U15 conversion chip to generate an RS485 signal, and communicates with the external device through the TVS tubes VR1, VR2, VR3 of model SMAJ6.0CA and the thermistors PTC1 and PTC2 of model FSMD010.

[0045] like Figure 7 As shown, in the Bluetooth control circuit, the 5-pin RST of the Bluetooth module U2 of model DX-BT24-T is connected to the 2-pin of the transistor Q3, and is pulled down to the ground line through the resistor R11. The 1-pin of the transistor Q3 is connected to the BLE_RST pin of the central processing module through the resistor R9 to control the reset of the Bluetooth module U2, and is pulled up to DC 3.3V through the pull-up resistor R7. The 3-pin of the transistor Q3 is connected to the DC 3.3V to provide a high-level signal. The 12-pin KEY of the Bluetooth module U2 is connected to the 3-pin of the transistor Q4, and is pulled up to DC 3.3V through the resistor R8. The 1-pin of the transistor Q3 is connected to the BLE_KEY pin of the central processing module through the resistor R10 to control the standby of the Bluetooth module U2, and is pulled up to the ground line through the pull-down resistor R12 to provide a low-level signal.

[0046] The LINK_STATUS pin 3 of the Bluetooth module U2 is connected to the BLE_Link pin of the central processing module to indicate the Bluetooth connection status. The UART-TX pin 2 and the UART_RX pin 11 of the Bluetooth module U2 are UART bus communication lines, which are connected to the central processing module for data interaction. The EN pin 4 of the power electronic switch U1, model SY6280, is controlled by the output of the central processing module. The DC 3.3V signal is input from the IN pin 5 of the power electronic switch U1, and after being adjusted inside the chip, it is output from the OUT pin 1 of the power electronic switch U1 to the Bluetooth module U2.

[0047] like Figure 8 As shown in the figure, in the camera control circuit, the MCU_RX_Camera and MCU_TX_Camera signals of the central processing module are respectively connected to the RX and TX pins of the camera module, and the DC 5V voltage signal output by the DC boost voltage regulator chip model SX1308 is connected to the VCC pin of the camera module to provide power to the camera module.

[0048] like Fig. 9 As shown, in the 4G interface circuit, the 3-pin EN of the wireless 4G communication module U3 of model EC800E is connected to the 2-pin of the transistor Q5, and is pulled down to the ground through the resistor R17, the 1-pin of the transistor Q5 is connected to the IOT_Power_En pin of the central processing module through the resistor R15 to enable the wireless 4G communication module U3, and is pulled up to DC 3.3V through the pull-up resistor R13, and the 3-pin of the transistor Q5 is connected to the DC 3.3V to provide a high-level signal.

[0049] The 4-pin DTR of the wireless 4G communication module U3 is connected to the 2-pin of the transistor Q6, and is pulled down to the ground through the resistor R18. The 1-pin of the transistor Q6 is connected to the IOT_DTR pin of the central processing module through the resistor R16 to control the sleep mode of the wireless 4G communication module U3, and is pulled up to DC 3.3V through the pull-up resistor R14. The 3-pin of the transistor Q6 is connected to the DC 3.3V to provide a high-level signal. The 5-pin RX and 6-pin TX of the wireless 4G communication module U3 are UART bus communication lines, which are connected to the central processing module for data exchange.

[0050] To sum up, the utility model adopts a modular design to improve the modularity of the product, and exchanges data with a host computer through a network, so as to accurately measure the water level data of each measuring point of a small irrigation channel in a dispersed small irrigation channel environment and calculate the relevant flow data. In addition, the installation is convenient and simple, the power consumption is low, and it can meet the requirements of most occasions.

[0051] The above description is a detailed description of the preferred feasible embodiments of the utility model, but the embodiments are not intended to limit the scope of the patent application of the utility model. All equivalent changes or modified changes completed under the technical spirit disclosed by the utility model should fall within the patent scope covered by the utility model.

Claims

1. An integrated remote sensing ultrasonic water level meter device, characterized in that: It includes a central processing module, a 4G interface circuit, an RS485 interface circuit, a Bluetooth control circuit, a camera control circuit, an ultrasonic transceiver circuit, a solar charging and discharging circuit, and a module power management circuit. The central processing module and the module power management circuit are respectively connected to the 4G interface circuit, the RS485 interface circuit, the Bluetooth control circuit, the camera control circuit, the ultrasonic transceiver circuit, and the solar charging and discharging circuit; The 4G interface circuit is connected to the host computer through the wireless 4G communication module, the RS485 interface circuit is connected to the external debugging device, the Bluetooth control circuit is connected to the Bluetooth module, the camera control circuit is connected to the camera module, and the ultrasonic transceiver circuit is connected to the ultrasonic probe; The Bluetooth control circuit is used to drive the Bluetooth module to work, the camera control circuit is used to drive the camera module to work, the ultrasonic transceiver circuit is used to drive the ultrasonic probe to transmit and receive ultrasonic signals, the solar charging and discharging circuit is used to provide corresponding driving power for the equipment, and the module power management circuit is used to provide power supply for each circuit module.

2. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The central processing module uses a microprocessor unit model STM32L476RCT6.

3. The integrated remote sensing ultrasonic water level meter device according to claim 1 is characterized in that: The 4G interface circuit transmits the TTL signal, status monitoring signal and power control signal of the UART bus of the central processing module to the wireless 4G communication module.

4. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The RS485 interface circuit includes a TVS tube and a signal conversion chip. The RS485 signal first passes through the TVS tube, and then is converted into a TTL signal by the signal conversion chip to reach the central processing module. The TVS tube model is SMAJ5.0CA, and the signal conversion chip model is SP3485. The TXD of the serial port UART is connected to the base of the NPN transistor and is pulled up to DC 3.3V through a pull-up resistor. The collector of the NPN transistor is connected to the transmit / receive enable pin in the signal conversion chip and is pulled up to DC 3.3V through a pull-up resistor. The emitter of the NPN transistor is connected to the data input pin in the signal conversion chip and is connected to the ground wire.

5. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The Bluetooth control circuit transmits the TTL signal, status monitoring signal and power control signal of the UART bus of the central processing module to the Bluetooth module.

6. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The camera control circuit transmits the TTL signal of the UART bus of the central processing module to the camera module.

7. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The ultrasonic transceiver circuit adopts an ultrasonic transceiver integrated chip model RCWL9623. The transmission and reception of ultrasonic signals are driven by the ultrasonic transceiver integrated chip model RCWL9623 to drive the ultrasonic transducer and connect to the central processing module through the UART bus.

8. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The solar charging and discharging circuit uses a battery management chip model TP4056 and a battery protection chip model DW01. The discharge control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for discharging, and the charging control pin of the battery protection chip is connected to the gate of the N-channel MOSFET tube used for charging. The sources of the two N-channel MOSFET tubes are connected to the negative electrode of the battery, and the drains of the two N-channel MOSFET tubes are connected.

9. The integrated remote sensing ultrasonic water level meter device according to claim 1, characterized in that: The module power management circuit includes a voltage stabilizing circuit, a power electronic switch and a boost circuit. The voltage stabilizing circuit uses a linear voltage regulator of model XC6209, the power electronic switch model SY6280, and the boost circuit uses a DC boost voltage stabilizing chip of model SX1308.

10. The integrated remote sensing ultrasonic water level meter device according to claim 9, characterized in that: The central processing module, Bluetooth control circuit and RS485 interface circuit are respectively connected to the voltage stabilizing circuit, and the power electronic switch, 4G interface circuit, camera control circuit and ultrasonic transceiver circuit are respectively connected to the boost circuit. The voltage stabilizing circuit is used to stabilize the battery voltage to 3.3V, and the boost circuit is used to boost and stabilize the battery voltage to 5V.

Images